Flora of North America species comparison

proximally usually piloso-hirsute (hairs 1–8+ mm) and stellate-pubescent, sometimes glabrous, distally usually piloso-hirsute (hairs 1–8+ mm) and stellate-pubescent, rarely stipitate-glandular as well, sometimes glabrous.

proximally piloso-hirsute (hairs 2–5+ mm), distally usually ± piloso-hirsute (hairs 1–3+ mm) and stellate-pubescent, sometimes stipitate-glandular as well.

basal 0(–5+), cauline (3–)5–10+;

blades lanceolate, oblanceolate or narrowly oblong to elliptic, 50–100(–200) × 10–25(–35+) mm, lengths (3–)4–8+ times widths, bases cuneate, margins entire or denticulate, apices obtuse to acute, faces usually piloso-hirsute (hairs 1–5+ mm) and stellate-pubescent, rarely glabrous.

basal 3–8+, cauline 0–1(–3);

blades elliptic or oval to oblanceolate to lanceolate, 20–70 × 12–25(–40) mm, lengths 1.5–6+ times widths, bases cuneate, margins entire or denticulate, apices rounded to acute, faces piloso-hirsute (hairs 1–3+ mm).

usually stellate-pubescent, sometimes piloso-hirsute and/or stipitate-glandular as well, rarely glabrous.

usually stellate-pubescent, sometimes piloso-hirsute and/or stipitate-glandular as well.

campanulate, 8–10 mm.

cylindric to campanulate, (10–)12–15+ mm.

20–45+;

corollas yellow, 10–12 mm.

15–30+;

corollas pale yellow to ochroleucous, 7–13+ mm.

12–21+, apices rounded to acute, abaxial faces piloso-hirsute, stellate-pubescent, and stipitate-glandular.

13–16+, apices ± acuminate, abaxial faces usually piloso-hirsute and stellate-pubescent, sometimes stipitate-glandular as well.

bractlets 5–13+.

bractlets 5—8+.

(3–)9–25+ in corymbiform to thyrsiform arrays.

2–5+ in ± corymbiform arrays.

(red-brown or black) columnar, ca. 3 mm;

pappi of 32–40+, white or stramineous bristles in ± 2 series, 6–7 mm.

urceolate, 5–7 mm;

pappi of 50–60+, ± stramineous bristles in 2+ series, 5–8+ mm.